Five notebooks are labeled "Materiały" (1953-1970s). There is no notebook labeled "Materiały II" and two notebooks are labeled "Materiały V."
Includes bibliographies, notes and excerpts from readings. "Materiały V" includes notes for learning Greek.
Includes poems, many later printed in the volumes Król Popiel i inne wiersze, Gucio zaczarowany, Miasto bez imienia, Gdzie wschodzi słońce i kędy zapada. Drafts and clean copies, some corrected.